ITK  5.0.0
Insight Segmentation and Registration Toolkit
WikiExamples/Iterators/ConstNeighborhoodIterator.cxx
#include "itkImage.h"
int main(int argc, char*argv[])
{
if(argc < 2)
{
std::cerr << "Required: filename" << std::endl;
return EXIT_FAILURE;
}
using ImageType = itk::Image<unsigned char, 2>;
using ReaderType = itk::ImageFileReader<ImageType>;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(argv[1]);
reader->Update();
ImageType::Pointer image = reader->GetOutput();
ImageType::SizeType regionSize;
regionSize[0] = 50;
regionSize[1] = 1;
ImageType::IndexType regionIndex;
regionIndex[0] = 0;
regionIndex[1] = 0;
region.SetSize(regionSize);
region.SetIndex(regionIndex);
radius[0] = 1;
radius[1] = 1;
itk::ConstNeighborhoodIterator<ImageType> iterator(radius, image,region);
while(!iterator.IsAtEnd())
{
for(unsigned int i = 0; i < 9; i++)
{
ImageType::IndexType index = iterator.GetIndex(i);
std::cout << index[0] << " " << index[1] << std::endl;
bool IsInBounds;
iterator.GetPixel(i, IsInBounds);
}
++iterator;
}
return EXIT_SUCCESS;
}